mirror of
https://github.com/espressif/esp-idf.git
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63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "hal/i2c_hal.h"
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void i2c_hal_master_handle_tx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
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{
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if (i2c_ll_get_intsts_mask(hal->dev) != 0) {
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// If intr status is 0, no need to handle it.
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i2c_ll_master_get_event(hal->dev, event);
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if ((*event < I2C_INTR_EVENT_END_DET) ||
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(*event == I2C_INTR_EVENT_TRANS_DONE)) {
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i2c_ll_master_disable_tx_it(hal->dev);
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i2c_ll_master_clr_tx_it(hal->dev);
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} else if (*event == I2C_INTR_EVENT_END_DET) {
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i2c_ll_master_clr_tx_it(hal->dev);
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}
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}
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}
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void i2c_hal_master_handle_rx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
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{
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if (i2c_ll_get_intsts_mask(hal->dev) != 0) {
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i2c_ll_master_get_event(hal->dev, event);
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if ((*event < I2C_INTR_EVENT_END_DET) ||
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(*event == I2C_INTR_EVENT_TRANS_DONE)) {
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i2c_ll_master_disable_rx_it(hal->dev);
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i2c_ll_master_clr_rx_it(hal->dev);
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} else if (*event == I2C_INTR_EVENT_END_DET) {
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i2c_ll_master_clr_rx_it(hal->dev);
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}
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}
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}
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#if SOC_I2C_SUPPORT_SLAVE
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void i2c_hal_slave_handle_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
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{
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i2c_ll_slave_get_event(hal->dev, event);
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}
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void i2c_hal_disable_slave_tx_it(i2c_hal_context_t *hal)
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{
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i2c_ll_slave_disable_tx_it(hal->dev);
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}
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#endif // SOC_I2C_SUPPORT_SLAVE
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void i2c_hal_update_config(i2c_hal_context_t *hal)
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{
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i2c_ll_update(hal->dev);
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}
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void i2c_hal_get_rxfifo_cnt(i2c_hal_context_t *hal, uint32_t *len)
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{
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*len = i2c_ll_get_rxfifo_cnt(hal->dev);
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}
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void i2c_hal_get_txfifo_cnt(i2c_hal_context_t *hal, uint32_t *len)
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{
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*len = i2c_ll_get_txfifo_len(hal->dev);
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}
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